github.com/xushiwei/go@v0.0.0-20130601165731-2b9d83f45bc9/test/fixedbugs/bug116.go (about)

     1  // run
     2  
     3  // Copyright 2009 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  package main
     8  
     9  func main() {
    10  	bad := false
    11  	if (-5 >> 1) != -3 {
    12  		println("-5>>1 =", -5>>1, "want -3")
    13  		bad = true
    14  	}
    15  	if (-4 >> 1) != -2 {
    16  		println("-4>>1 =", -4>>1, "want -2")
    17  		bad = true
    18  	}
    19  	if (-3 >> 1) != -2 {
    20  		println("-3>>1 =", -3>>1, "want -2")
    21  		bad = true
    22  	}
    23  	if (-2 >> 1) != -1 {
    24  		println("-2>>1 =", -2>>1, "want -1")
    25  		bad = true
    26  	}
    27  	if (-1 >> 1) != -1 {
    28  		println("-1>>1 =", -1>>1, "want -1")
    29  		bad = true
    30  	}
    31  	if bad {
    32  		println("errors")
    33  		panic("fail")
    34  	}
    35  }